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Bouncy Castle Cryptography Library 1.39
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org.bouncycastle.asn1.x9

Class X9ECParameters

Implemented Interfaces:
DEREncodable, X9ObjectIdentifiers
public class X9ECParameters
extends ASN1Encodable
implements X9ObjectIdentifiers
ASN.1 def for Elliptic-Curve ECParameters structure. See X9.62, for further details.

Field Summary

Fields inherited from class org.bouncycastle.asn1.ASN1Encodable

BER, DER

Fields inherited from interface org.bouncycastle.asn1.x9.X9ObjectIdentifiers

ansi_X9_62, c2onb191v4, c2onb191v5, c2onb239v4, c2onb239v5, c2pnb163v1, c2pnb163v2, c2pnb163v3, c2pnb176w1, c2pnb208w1, c2pnb272w1, c2pnb304w1, c2pnb368w1, c2tnb191v1, c2tnb191v2, c2tnb191v3, c2tnb239v1, c2tnb239v2, c2tnb239v3, c2tnb359v1, c2tnb431r1, cTwoCurve, characteristic_two_field, dhEphem, dhHybrid1, dhHybrid2, dhHybridOneFlow, dhOneFlow, dhSinglePass_cofactorDH_sha1kdf_scheme, dhSinglePass_stdDH_sha1kdf_scheme, dhStatic, dhpublicnumber, ecdsa_with_SHA1, ecdsa_with_SHA2, ecdsa_with_SHA224, ecdsa_with_SHA256, ecdsa_with_SHA384, ecdsa_with_SHA512, ellipticCurve, gnBasis, id_dsa, id_dsa_with_sha1, id_ecPublicKey, id_ecSigType, id_fieldType, id_publicKeyType, mqv1, mqv2, mqvSinglePass_sha1kdf_scheme, ppBasis, prime192v1, prime192v2, prime192v3, prime239v1, prime239v2, prime239v3, prime256v1, primeCurve, prime_field, tpBasis, x9_42_schemes, x9_63_scheme

Constructor Summary

X9ECParameters(ASN1Sequence seq)
X9ECParameters(org.bouncycastle.math.ec.ECCurve curve, org.bouncycastle.math.ec.ECPoint g, BigInteger n)
X9ECParameters(org.bouncycastle.math.ec.ECCurve curve, org.bouncycastle.math.ec.ECPoint g, BigInteger n, BigInteger h)
X9ECParameters(org.bouncycastle.math.ec.ECCurve curve, org.bouncycastle.math.ec.ECPoint g, BigInteger n, BigInteger h, byte[] seed)

Method Summary

org.bouncycastle.math.ec.ECCurve
getCurve()
org.bouncycastle.math.ec.ECPoint
getG()
BigInteger
getH()
BigInteger
getN()
byte[]
getSeed()
DERObject
toASN1Object()
Produce an object suitable for an ASN1OutputStream.

Methods inherited from class org.bouncycastle.asn1.ASN1Encodable

equals, getDEREncoded, getDERObject, getEncoded, getEncoded, hashCode, toASN1Object

Constructor Details

X9ECParameters

public X9ECParameters(ASN1Sequence seq)

X9ECParameters

public X9ECParameters(org.bouncycastle.math.ec.ECCurve curve,
                      org.bouncycastle.math.ec.ECPoint g,
                      BigInteger n)

X9ECParameters

public X9ECParameters(org.bouncycastle.math.ec.ECCurve curve,
                      org.bouncycastle.math.ec.ECPoint g,
                      BigInteger n,
                      BigInteger h)

X9ECParameters

public X9ECParameters(org.bouncycastle.math.ec.ECCurve curve,
                      org.bouncycastle.math.ec.ECPoint g,
                      BigInteger n,
                      BigInteger h,
                      byte[] seed)

Method Details

getCurve

public org.bouncycastle.math.ec.ECCurve getCurve()

getG

public org.bouncycastle.math.ec.ECPoint getG()

getH

public BigInteger getH()

getN

public BigInteger getN()

getSeed

public byte[] getSeed()

toASN1Object

public DERObject toASN1Object()
Produce an object suitable for an ASN1OutputStream. 
  ECParameters ::= SEQUENCE {
      version         INTEGER { ecpVer1(1) } (ecpVer1),
      fieldID         FieldID {{FieldTypes}},
      curve           X9Curve,
      base            X9ECPoint,
      order           INTEGER,
      cofactor        INTEGER OPTIONAL
  }
Overrides:
toASN1Object in interface ASN1Encodable

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